1. [High capacity battery] Charge once, video can be recorded for 240 minutes/recording can be recorded for 720 minutes. 2. [Small and Convenient] 1080P high-definition, magnetic suction design+back clip design, only 1.2cm thick, weighing 23G, compact, not occupying space, easy to carry, clip on the collar, etc Or magnetic adsorption is very convenient. 3. [Mobile playback] Supports OTG connection to mobile phones, USB computers play and video management files, making it easy to use. (The phone needs to support OTG function/and have OTG function enabled) 4. [Infrared Night Vision] 4 infrared night vision lights, no auxiliary lights required on pitch black nights, recording range within 5 meters. No indicator light, does not affect sleep. 5. [90 ° rotating lens]The night vision lamp is integrated with the camera, and synchronous rotation and shooting are more convenient.